controlloop/templates/template.demo/src/main/resources/frequency_limiter_template.xml

   1 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
   2 <Policy xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17" PolicyId="urn:com:att:xacml:policy:id:25e12b06-11d5-4895-b2a2-6f6c594de069" Version="1" RuleCombiningAlgId="urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:permit-unless-deny">
   3         <Description>Policy for frequency limiter.</Description>
   4         <Target>
   5             <AnyOf>
   6                 <AllOf>
   7
   8                         <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
   9                         <!-- <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">.*</AttributeValue>-->
  10                         <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">${clname}</AttributeValue>
  11                         <AttributeDesignator Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" AttributeId="urn:oasis:names:tc:xacml:1.0:clname:clname-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
  12                         </Match>
  13
  14                         <!--  <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">-->
  15                         <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
  16                         <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">${actor}</AttributeValue>
  17                         <AttributeDesignator Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" AttributeId="urn:oasis:names:tc:xacml:1.0:actor:actor-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
  18                     </Match>
  19                     <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
  20                         <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">${recipe}</AttributeValue>
  21                         <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" AttributeId="urn:oasis:names:tc:xacml:1.0:operation:operation-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
  22                     </Match>
  23
  24                     <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
  25                         <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">${targets}</AttributeValue>
  26                         <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource" AttributeId="urn:oasis:names:tc:xacml:1.0:target:target-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
  27                     </Match>
  28
  29                 </AllOf>
  30             </AnyOf>
  31         </Target>
  32         <Rule RuleId="urn:com:att:xacml:rule:id:e1e8c5c0-e2ba-47d5-9289-6c015305ed21" Effect="Deny">
  33             <Description>DENY - only if number of operations performed in the past is larger than the limit and the Guard is active.</Description>
  34             <Condition>
  35                 <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:and">
  36                         <VariableReference VariableId="isGuardActive"/>
  37                         <VariableReference VariableId="isHistoryGreaterThanLimit"/>
  38                 </Apply>
  39             </Condition>
  40         </Rule>
  41         <VariableDefinition VariableId="isGuardActive">
  42                 <Apply FunctionId="urn:oasis:names:tc:xacml:2.0:function:time-in-range">
  43                         <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:time-one-and-only">
  44                         <AttributeDesignator AttributeId="urn:oasis:names:tc:xacml:1.0:environment:current-time" DataType="http://www.w3.org/2001/XMLSchema#time" Category="urn:oasis:names:tc:xacml:3.0:attribute-category:environment" MustBePresent="false"/>
  45                                 </Apply>
  46                                 <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#time">${guardActiveStart}</AttributeValue>
  47                                 <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#time">${guardActiveEnd}</AttributeValue>
  48                 </Apply>
  49         </VariableDefinition>
  50         <VariableDefinition VariableId="isHistoryGreaterThanLimit">
  51                 <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:integer-greater-than-or-equal">
  52                         <Apply FunctionId="urn:oasis:names:tc:xacml:1.0:function:integer-one-and-only">
  53                                 <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource" AttributeId="com:att:research:xacml:test:sql:resource:operations:count" DataType="http://www.w3.org/2001/XMLSchema#integer" Issuer="com:att:research:xacml:guard:historydb:tw:${twValue}:${twUnits}" MustBePresent="false"/>
  54                         </Apply>
  55                         <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#integer">${limit}</AttributeValue>
  56                 </Apply>
  57         </VariableDefinition>
  58 </Policy>